Short Sales and Options Tax Rules

Special holding-period rules govern how protective puts affect the holding period of stock. These rules prevent investors from locking in a gain with a put while waiting to qualify for long-term capital gains treatment.

Why Is a Same-Day Married Put an Exception to the Holding-Period Rule?

A married put is stock and a put bought on the same day, with the stock identified as the shares to be delivered if the put is exercised. That same-day identification triggers a special exception:

• The put is not treated as a short sale
• The stock's holding period is unaffected: it runs normally from the original purchase date
• If the put expires unexercised, its cost is added to the stock's cost basis
• If the put is exercised, its cost reduces the sale proceeds on the stock

This is the key contrast with a protective put bought later on stock you already hold short-term (next section): that later put does reset the holding period. The same-day married put is the exception that preserves it.

Example: On January 1, you buy 100 shares of ABC at $50 and buy 1 ABC 45 put at $3 (same day, identified married put).

• Your stock holding period runs normally from the January 1 purchase
• If the put expires on June 30 unexercised, the $3 ($300) premium is added to your stock cost basis (basis becomes $53 per share)
• The stock qualifies for long-term treatment once held more than 12 months from January 1, not from the put's expiration

Exam Tip: Gotchas

• A same-day married put does NOT affect the stock's holding period. It is the statutory exception. The premium is added to the stock's cost basis (if the put lapses) or reduces sale proceeds (if exercised). The classic trap is assuming the married put restarts the clock: it does the opposite.
• Do not confuse the married put with a put bought later on short-term stock (next section), which DOES eliminate the holding period.

How Do Short Sale Rules Apply to a Put Bought Later?

If an investor holds appreciated stock and then buys a put on a later day (not a same-day married put), the treatment depends on how long the stock has been held:

Stock Held Short-Term (12 months or less)

• Acquiring the put is treated as a short sale of the stock
• The stock's holding period is eliminated: it begins again from zero on whichever happens first: the date the put is closed, exercised, or expires, or the date the stock itself is sold, gifted, or otherwise disposed of (while the put is still open). Any time accrued before the put is lost.
• This prevents investors from using puts to lock in short-term gains while waiting for long-term treatment

Stock Held Long-Term (more than 12 months)

• The short-sale rules do NOT apply
• The investor has already qualified for long-term treatment before buying the put
• The put does not affect the stock's holding period

Exam Tip: Gotchas

• The short-sale rules do NOT apply once stock has been held long-term. Buying a put on already-long-term stock has no holding period effect.
• On short-term stock, a later put wipes the holding period; it begins fresh when the put is disposed of (it does not "resume" from where it left off).

Why Do These Rules Exist?

Without these rules, an investor could:

1. Buy stock on Day 1
2. Buy a protective put on Day 2 (locking in a minimum sale price)
3. Wait 12+ months
4. Sell the stock at long-term capital gains rates

The put effectively eliminates downside risk during the waiting period. The short-sale holding-period rules prevent this by restarting the stock's holding period while the put provides protection. (A same-day married put is exempt from this reset; its premium is added to the stock's basis instead.)

Think of it this way: The tax code does not let you have it both ways. If you buy downside protection with a later put on short-term stock, you have not truly "risked" your capital, so the clock for long-term treatment restarts when that protection goes away.

What Is the Holding-Period Effect by Scenario?

What Should You Check on Exam Day?

• Can you tell a same-day married put (no effect on holding period) apart from a later put on short-term stock (resets the holding period) in a word problem?
• Do you know the married put's exception status means the stock's clock keeps running, and the put's own cost adds to stock basis if it lapses unexercised?
• Can you correctly state that a later put has NO holding-period effect once the stock has already been held more than 12 months?